<?php


namespace app\admin\validate;


use think\Validate;

class Login extends Validate
{
   protected $rule = [
        'username' => 'require',
        'password' => 'require',
        'captcha' => 'require|checkCapcha',
    ];

    protected $message = [
        'username' => '用户名必须,请重新输入',
        'password' => '密码必须',
        'captcha' => '验证码必须',

    ];

    protected function checkCapcha($value, $rule, $data = []) {
        if(!captcha_check($value)) {
            return "您输入的验证码不正确！";
        }
        return true;
    }
}